# this file is part of refractiveindex.info database # refractiveindex.info database is in the public domain # copyright and related rights waived via CC0 1.0 REFERENCES: | A. Cheikh, J. Gonçalves, C. Labbé, X. Portier, P. Marie, C. Frilay, O. Debieu, S. Duprey, W. Jadwisienczak, D. Ingram, J. Cardin. Tailoring the structural and optical properties of Ta2O5 thin films via radio frequency magnetron sputtering for high-refractive index transparent materials. J. Alloys Compd. 1040, 183273 (2025) (Numerical data kindly provided by Julien Cardin) COMMENTS: | Ta2O5 amorphous thin film. Deposited by radio frequency magnetron sputtering at sputtering power density 3.28 W/cm2 under oxygen flow of 12 sccm. As deposited. DATA: - type: tabulated nk data: | 0.20667 2.35810 1.44570 0.20701 2.36829 1.44345 0.20736 2.37851 1.44106 0.20771 2.38877 1.43855 0.20805 2.39906 1.43590 0.20840 2.40938 1.43310 0.20875 2.41973 1.43017 0.20911 2.43010 1.42710 0.20946 2.44050 1.42388 0.20981 2.45092 1.42051 0.21017 2.46136 1.41699 0.21053 2.47181 1.41332 0.21088 2.48227 1.40950 0.21124 2.49275 1.40553 0.21160 2.50323 1.40139 0.21197 2.51372 1.39710 0.21233 2.52420 1.39265 0.21269 2.53469 1.38803 0.21306 2.54517 1.38326 0.21343 2.55564 1.37831 0.21379 2.56610 1.37320 0.21416 2.57654 1.36792 0.21453 2.58696 1.36248 0.21490 2.59736 1.35686 0.21528 2.60773 1.35107 0.21565 2.61806 1.34510 0.21603 2.62837 1.33897 0.21640 2.63863 1.33266 0.21678 2.64885 1.32617 0.21716 2.65902 1.31951 0.21754 2.66913 1.31267 0.21793 2.67919 1.30565 0.21831 2.68919 1.29846 0.21869 2.69913 1.29109 0.21908 2.70899 1.28354 0.21947 2.71877 1.27582 0.21986 2.72848 1.26792 0.22025 2.73810 1.25984 0.22064 2.74763 1.25159 0.22103 2.75707 1.24317 0.22143 2.76641 1.23457 0.22182 2.77564 1.22580 0.22222 2.78477 1.21686 0.22262 2.79378 1.20776 0.22302 2.80267 1.19848 0.22342 2.81144 1.18904 0.22383 2.82008 1.17944 0.22423 2.82859 1.16967 0.22464 2.83696 1.15975 0.22505 2.84519 1.14967 0.22545 2.85327 1.13944 0.22587 2.86120 1.12906 0.22628 2.86897 1.11853 0.22669 2.87658 1.10786 0.22711 2.88403 1.09704 0.22752 2.89131 1.08609 0.22794 2.89842 1.07501 0.22836 2.90535 1.06380 0.22878 2.91210 1.05247 0.22921 2.91866 1.04101 0.22963 2.92504 1.02944 0.23006 2.93122 1.01776 0.23048 2.93721 1.00597 0.23091 2.94301 0.99408 0.23134 2.94860 0.98210 0.23178 2.95399 0.97002 0.23221 2.95917 0.95785 0.23265 2.96414 0.94561 0.23308 2.96890 0.93329 0.23352 2.97345 0.92090 0.23396 2.97779 0.90844 0.23440 2.98190 0.89593 0.23485 2.98580 0.88336 0.23529 2.98948 0.87074 0.23574 2.99294 0.85809 0.23619 2.99618 0.84539 0.23664 2.99920 0.83267 0.23709 3.00199 0.81992 0.23755 3.00456 0.80715 0.23800 3.00691 0.79437 0.23846 3.00904 0.78159 0.23892 3.01094 0.76880 0.23938 3.01263 0.75601 0.23985 3.01409 0.74324 0.24031 3.01533 0.73048 0.24078 3.01636 0.71775 0.24125 3.01716 0.70503 0.24172 3.01775 0.69236 0.24219 3.01813 0.67972 0.24266 3.01829 0.66712 0.24314 3.01825 0.65457 0.24361 3.01799 0.64207 0.24409 3.01753 0.62963 0.24458 3.01687 0.61725 0.24506 3.01601 0.60494 0.24554 3.01494 0.59271 0.24603 3.01369 0.58054 0.24652 3.01224 0.56846 0.24701 3.01060 0.55647 0.24750 3.00877 0.54456 0.24800 3.00677 0.53274 0.24850 3.00458 0.52103 0.24900 3.00222 0.50941 0.24950 2.99969 0.49789 0.25000 2.99698 0.48649 0.25051 2.99412 0.47519 0.25101 2.99109 0.46400 0.25152 2.98790 0.45293 0.25203 2.98457 0.44198 0.25255 2.98108 0.43116 0.25306 2.97744 0.42045 0.25358 2.97367 0.40987 0.25410 2.96976 0.39942 0.25462 2.96571 0.38910 0.25514 2.96153 0.37891 0.25567 2.95723 0.36886 0.25620 2.95280 0.35894 0.25673 2.94826 0.34916 0.25726 2.94361 0.33951 0.25780 2.93884 0.33001 0.25833 2.93397 0.32065 0.25887 2.92899 0.31142 0.25941 2.92392 0.30234 0.25996 2.91875 0.29341 0.26050 2.91349 0.28462 0.26105 2.90814 0.27597 0.26160 2.90272 0.26747 0.26216 2.89721 0.25911 0.26271 2.89162 0.25090 0.26327 2.88596 0.24283 0.26383 2.88024 0.23491 0.26439 2.87445 0.22714 0.26496 2.86859 0.21951 0.26552 2.86268 0.21203 0.26609 2.85671 0.20469 0.26667 2.85069 0.19750 0.26724 2.84462 0.19045 0.26782 2.83851 0.18354 0.26840 2.83235 0.17679 0.26898 2.82616 0.17017 0.26957 2.81993 0.16370 0.27015 2.81366 0.15737 0.27074 2.80736 0.15118 0.27133 2.80104 0.14513 0.27193 2.79469 0.13922 0.27253 2.78832 0.13345 0.27313 2.78193 0.12782 0.27373 2.77552 0.12232 0.27434 2.76909 0.11697 0.27494 2.76266 0.11175 0.27556 2.75621 0.10666 0.27617 2.74976 0.10171 0.27679 2.74331 0.09689 0.27740 2.73685 0.09220 0.27803 2.73039 0.08764 0.27865 2.72393 0.08321 0.27928 2.71748 0.07891 0.27991 2.71103 0.07474 0.28054 2.70460 0.07070 0.28118 2.69817 0.06678 0.28182 2.69176 0.06298 0.28246 2.68536 0.05931 0.28311 2.67897 0.05576 0.28375 2.67261 0.05233 0.28440 2.66627 0.04902 0.28506 2.65995 0.04583 0.28571 2.65365 0.04275 0.28637 2.64738 0.03980 0.28704 2.64114 0.03696 0.28770 2.63492 0.03423 0.28837 2.62874 0.03161 0.28904 2.62260 0.02911 0.28972 2.61648 0.02672 0.29040 2.61041 0.02444 0.29108 2.60437 0.02227 0.29176 2.59838 0.02021 0.29245 2.59243 0.01825 0.29314 2.58652 0.01640 0.29384 2.58066 0.01465 0.29454 2.57485 0.01301 0.29524 2.56909 0.01147 0.29594 2.56338 0.01003 0.29665 2.55772 0.00870 0.29736 2.55212 0.00746 0.29808 2.54659 0.00632 0.29880 2.54111 0.00528 0.29952 2.53570 0.00433 0.30024 2.53035 0.00348 0.30097 2.52508 0.00273 0.30170 2.51988 0.00207 0.30244 2.51476 0.00150 0.30318 2.50971 0.00103 0.30392 2.50476 6.44139E-4 0.30467 2.49990 3.50361E-4 0.30542 2.49514 1.45893E-4 0.30617 2.49049 2.98335E-5 0.30693 2.48599 0 0.30769 2.48165 0 0.30846 2.47743 0 0.30923 2.47333 0 0.31000 2.46931 0 0.31078 2.46539 0 0.31156 2.46154 0 0.31234 2.45777 0 0.31313 2.45407 0 0.31392 2.45044 0 0.31472 2.44687 0 0.31552 2.44337 0 0.31633 2.43992 0 0.31714 2.43653 0 0.31795 2.43320 0 0.31877 2.42992 0 0.31959 2.42668 0 0.32041 2.42350 0 0.32124 2.42036 0 0.32208 2.41727 0 0.32292 2.41423 0 0.32376 2.41122 0 0.32461 2.40826 0 0.32546 2.40534 0 0.32632 2.40246 0 0.32718 2.39962 0 0.32804 2.39681 0 0.32891 2.39404 0 0.32979 2.39131 0 0.33067 2.38861 0 0.33155 2.38595 0 0.33244 2.38331 0 0.33333 2.38071 0 0.33423 2.37815 0 0.33514 2.37561 0 0.33604 2.37310 0 0.33696 2.37063 0 0.33787 2.36818 0 0.33880 2.36576 0 0.33973 2.36336 0 0.34066 2.36100 0 0.34160 2.35866 0 0.34254 2.35635 0 0.34349 2.35406 0 0.34444 2.35180 0 0.34540 2.34956 0 0.34637 2.34735 0 0.34734 2.34516 0 0.34831 2.34299 0 0.34930 2.34085 0 0.35028 2.33873 0 0.35127 2.33663 0 0.35227 2.33455 0 0.35328 2.33250 0 0.35429 2.33046 0 0.35530 2.32845 0 0.35632 2.32646 0 0.35735 2.32448 0 0.35838 2.32253 0 0.35942 2.32059 0 0.36047 2.31868 0 0.36152 2.31678 0 0.36257 2.31490 0 0.36364 2.31304 0 0.36471 2.31120 0 0.36578 2.30937 0 0.36686 2.30756 0 0.36795 2.30577 0 0.36905 2.30400 0 0.37015 2.30224 0 0.37126 2.30050 0 0.37237 2.29878 0 0.37349 2.29707 0 0.37462 2.29537 0 0.37576 2.29369 0 0.37690 2.29203 0 0.37805 2.29038 0 0.37920 2.28875 0 0.38037 2.28713 0 0.38154 2.28553 0 0.38272 2.28394 0 0.38390 2.28236 0 0.38509 2.28080 0 0.38629 2.27925 0 0.38750 2.27771 0 0.38871 2.27619 0 0.38994 2.27468 0 0.39117 2.27319 0 0.39241 2.27170 0 0.39365 2.27023 0 0.39490 2.26878 0 0.39617 2.26733 0 0.39744 2.26590 0 0.39871 2.26447 0 0.40000 2.26307 0 0.40129 2.26167 0 0.40260 2.26028 0 0.40391 2.25891 0 0.40523 2.25754 0 0.40656 2.25619 0 0.40789 2.25485 0 0.40924 2.25352 0 0.41060 2.25220 0 0.41196 2.25089 0 0.41333 2.24959 0 0.41472 2.24831 0 0.41611 2.24703 0 0.41751 2.24576 0 0.41892 2.24451 0 0.42034 2.24326 0 0.42177 2.24202 0 0.42321 2.24080 0 0.42466 2.23958 0 0.42612 2.23837 0 0.42759 2.23717 0 0.42907 2.23598 0 0.43056 2.23481 0 0.43206 2.23364 0 0.43357 2.23247 0 0.43509 2.23132 0 0.43662 2.23018 0 0.43816 2.22904 0 0.43972 2.22792 0 0.44128 2.22680 0 0.44286 2.22569 0 0.44444 2.22459 0 0.44604 2.22350 0 0.44765 2.22242 0 0.44928 2.22135 0 0.45091 2.22028 0 0.45255 2.21922 0 0.45421 2.21817 0 0.45588 2.21713 0 0.45756 2.21609 0 0.45926 2.21507 0 0.46097 2.21405 0 0.46269 2.21304 0 0.46442 2.21203 0 0.46617 2.21104 0 0.46792 2.21005 0 0.46970 2.20907 0 0.47148 2.20809 0 0.47328 2.20712 0 0.47510 2.20617 0 0.47692 2.20521 0 0.47876 2.20427 0 0.48062 2.20333 0 0.48249 2.20240 0 0.48438 2.20147 0 0.48627 2.20055 0 0.48819 2.19964 0 0.49012 2.19874 0 0.49206 2.19784 0 0.49402 2.19695 0 0.49600 2.19607 0 0.49799 2.19519 0 0.50000 2.19432 0 0.50202 2.19345 0 0.50407 2.19259 0 0.50612 2.19174 0 0.50820 2.19089 0 0.51029 2.19005 0 0.51240 2.18922 0 0.51452 2.18839 0 0.51667 2.18757 0 0.51883 2.18675 0 0.52101 2.18594 0 0.52321 2.18514 0 0.52542 2.18434 0 0.52766 2.18355 0 0.52991 2.18276 0 0.53219 2.18198 0 0.53448 2.18121 0 0.53680 2.18044 0 0.53913 2.17967 0 0.54148 2.17891 0 0.54386 2.17816 0 0.54626 2.17741 0 0.54867 2.17667 0 0.55111 2.17593 0 0.55357 2.17520 0 0.55605 2.17448 0 0.55856 2.17376 0 0.56109 2.17304 0 0.56364 2.17233 0 0.56621 2.17163 0 0.56881 2.17093 0 0.57143 2.17023 0 0.57407 2.16954 0 0.57674 2.16886 0 0.57944 2.16818 0 0.58216 2.16750 0 0.58491 2.16683 0 0.58768 2.16617 0 0.59048 2.16551 0 0.59330 2.16485 0 0.59615 2.16420 0 0.59903 2.16355 0 0.60194 2.16291 0 0.60488 2.16228 0 0.60784 2.16165 0 0.61084 2.16102 0 0.61386 2.16040 0 0.61692 2.15978 0 0.62000 2.15916 0 0.62312 2.15856 0 0.62626 2.15795 0 0.62944 2.15735 0 0.63265 2.15676 0 0.63590 2.15617 0 0.63918 2.15558 0 0.64249 2.15500 0 0.64583 2.15442 0 0.64921 2.15385 0 0.65263 2.15328 0 0.65608 2.15271 0 0.65957 2.15215 0 0.66310 2.15159 0 0.66667 2.15104 0 0.67027 2.15049 0 0.67391 2.14995 0 0.67760 2.14941 0 0.68132 2.14887 0 0.68508 2.14834 0 0.68889 2.14781 0 0.69274 2.14729 0 0.69663 2.14677 0 0.70056 2.14625 0 0.70455 2.14574 0 0.70857 2.14523 0 0.71264 2.14473 0 0.71676 2.14423 0 0.72093 2.14373 0 0.72515 2.14324 0 0.72941 2.14275 0 0.73373 2.14227 0 0.73810 2.14179 0 0.74251 2.14131 0 0.74699 2.14084 0 0.75152 2.14037 0 0.75610 2.13990 0 0.76074 2.13944 0 0.76543 2.13898 0 0.77019 2.13853 0 0.77500 2.13807 0 0.77987 2.13763 0 0.78481 2.13718 0 0.78981 2.13674 0 0.79487 2.13631 0 0.80000 2.13587 0 0.80519 2.13544 0 0.81046 2.13502 0 0.81579 2.13459 0 0.82119 2.13417 0 0.82667 2.13376 0 0.83221 2.13335 0 0.83784 2.13294 0 0.84354 2.13253 0 0.84932 2.13213 0 0.85517 2.13173 0 0.86111 2.13134 0 0.86713 2.13094 0 0.87324 2.13055 0 0.87943 2.13017 0 0.88571 2.12979 0 0.89209 2.12941 0 0.89855 2.12903 0 0.90511 2.12866 0 0.91176 2.12829 0 0.91852 2.12793 0 0.92537 2.12756 0 0.93233 2.12720 0 0.93939 2.12685 0 0.94656 2.12650 0 0.95385 2.12615 0 0.96124 2.12580 0 0.96875 2.12546 0 0.97638 2.12512 0 0.98413 2.12478 0 0.99200 2.12445 0 1.00000 2.12412 0 1.00813 2.12379 0 1.01639 2.12346 0 1.02479 2.12314 0 1.03333 2.12282 0 1.04202 2.12251 0 1.05085 2.12220 0 1.05983 2.12189 0 1.06897 2.12158 0 1.07826 2.12128 0 1.08772 2.12098 0 1.09735 2.12068 0 1.10714 2.12038 0 1.11712 2.12009 0 1.12727 2.11980 0 1.13761 2.11952 0 1.14815 2.11924 0 1.15888 2.11896 0 1.16981 2.11868 0 1.18095 2.11841 0 1.19231 2.11814 0 1.20388 2.11787 0 1.21569 2.11760 0 1.22772 2.11734 0 1.24000 2.11708 0